Loudspeaker



FIG. 1 is a front view of a loudspeaker, showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and

FIG. 8 is another perspective view thereof; and,

FIG. 9 is an enlarged illustration of the portion of the loudspeaker encircled at 9 in FIG. 2.

The broken lines in the figures depict portions of the loudspeaker that form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 